Example usage for org.springframework.data.jpa.domain JpaSort JpaSort

Introduction

In this page you can find the example usage for org.springframework.data.jpa.domain JpaSort JpaSort.

Prototype

private JpaSort(List<Order> orders, @Nullable Direction direction, List<Path<?, ?>> paths) 

Source Link

Usage

From source file:org.zlogic.vogon.web.controller.TransactionsController.java

/**
 * Returns all transactions in a specific range, or all transactions if page
 * parameter is missing/*from  w w w .  j a  v a  2 s .co m*/
 *
 * @param page the page number
 * @param sortColumn the column used for sorting
 * @param sortDirection the sort direction
 * @param filterDescription
 * @param filterTags the tags to be filtered
 * @param filterDate the date to be filtered
 * @param user the authenticated user
 * @return the transactions
 */
@RequestMapping(method = RequestMethod.GET, produces = "application/json")
public @ResponseBody Collection<FinanceTransactionJson> getTransactions(@RequestParam("page") Integer page,
        @RequestParam(value = "sortColumn", required = false) SortColumn sortColumn,
        @RequestParam(value = "sortDirection", required = false) Sort.Direction sortDirection,
        @RequestParam(value = "filterDescription", required = false) String filterDescription,
        @RequestParam(value = "filterDate", required = false) @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) Date filterDate,
        @RequestParam(value = "filterTags", required = false) Collection<String> filterTags,
        @AuthenticationPrincipal VogonSecurityUser user) {
    Attribute sortAttribute = FinanceTransaction_.transactionDate;
    if (sortColumn != null)
        switch (sortColumn) {
        case AMOUNT:
            sortAttribute = FinanceTransaction_.amount;
            break;
        case DATE:
            sortAttribute = FinanceTransaction_.transactionDate;
            break;
        case DESCRIPTION:
            sortAttribute = FinanceTransaction_.description;
            break;
        }
    if (sortDirection == null)
        sortDirection = Sort.Direction.fromStringOrNull(null);
    Sort sort = new JpaSort(sortDirection, sortAttribute, FinanceTransaction_.id);
    //TODO: Optimize if https://jira.spring.io/browse/DATAJPA-209 gets implemented?
    TransactionFilterSpecification filter = new TransactionFilterSpecification(user.getUser());
    filter.setFilterDescription(filterDescription);
    filter.setFilterDate(filterDate);
    if (filterTags != null)
        filter.setFilterTags(new HashSet<>(filterTags));
    if (page == null)
        return initializationHelper.initializeTransactions(transactionRepository.findAll(filter, sort));
    PageRequest pageRequest = new PageRequest(page, PAGE_SIZE, sort);
    return initializationHelper
            .initializeTransactions(transactionRepository.findAll(filter, pageRequest).getContent());
}

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